Google's Gains May Be Too Hot - WSJ.com

Article closes with a note about one area Google seeks to enter next: 

Google also acknowledged its strong interest in expanding services for businesses, which analysts say could eventually challenge Microsoft's Office applications. Mr. Schmidt said it is clear that Google's Web-based spreadsheet and word-processing services should become part of the applications it bundles for businesses and other organizations, which currently include email, instant messaging, Web-page creation and online calendar services. He said some businesses might choose to pay for non-advertising-supported versions of Google's Web-based applications, which are generally free otherwise.

Still, "on a cost of ownership perspective, we will be much, much cheaper than any other of the alternatives," he said.

Source: Google's Gains May Be Too Hot - WSJ.com